National Control Devices

National Control Devices, LLC

World's Largest Manufacturer of Computer Controlled Switching Devices Since 1995.
Have Questions?Access our online support, FAQs, application videos and more via AccessNCD
Search:

Items in Cart

Basket Empty
Our new Web Relays Control your Electronics from anywhere in the world from a Web Browser. Demo the Interface on a Live Board Today!
SECURE SERVER
Visit one of our other
great web sites:
www.SignalSwitch.com
www.RelayControllers.com

Single Relay Controller Board

Low-Cost 1 Relay Control

Single RS232 Relay

Our single relay controllers are among the smallest, most versatile relay controller we offer.  In fact, we believe this series to be the smallest serial relay controller on the market with the highest current switching capabilities.  Features include no-click startup, 1 LED status light, and E3C compliance.  Relays can be controlled at 9600 baud and is compatible with ANY computer or microcontroller capable of delivering RS-232 data.  For more information please click on the links below.

Single Relay ZigBee Controller

We now offer a Single Relay ZigBee Relay!  Plug our ZigBee Modem into the USB Port of your computer.  The modem will mount as a COM port on your PC.  Open the COM port and start sending data to the modem.  The modem will forward your data to all ZigBee compliant devices within range (it is also possible to speak to a specific device when other controllers are in range).

1-Relay Controller Boards

R120
1-Channel 20-Amp SPDT High-Power Relay Controller Board
More >>
$59.00
Order this Device
R130
1-Channel 30-Amp SPST High-Power RS-232 Relay Controller Board
More >>
$69.00
Order this Device
R15RS
1-Channel 5-Amp SPDT Relay Controller with RS-232 Interface
More >>
$59.00
Order this Device
R110RS
1-Channel 10-Amp SPDT Relay Controller with RS-232 Interface
More >>
$69.00
Order this Device
R120HP
LOW COST 1-Channel 20A SPDT RS-232 Relay Controller
More >>
$19.00
Order this Device
R120HPRS
LOW COST 1-Channel 20A SPDT Relay Controller with RS-232 Interface
More >>
$29.00
Order this Device
R120RS
1-Channel 20A SPDT Relay Controller with RS-232 Interface
More >>
$69.00
Order this Device
R130RS
1-Channel 30A SPST Relay Controller with RS-232 Interface
More >>
$79.00
Order this Device
R15
1-Channel 5-Amp RS232 SPDT Relay Controller
More >>
$44.00
Order this Device
R110
1-Channel 10-Amp RS232 SPDT Relay Controller
More >>
$54.00
Order this Device
SSR1x
1-Channel Solid State RS-232 Relay Controller
More >>
$44.00
Order this Device
SSR1xRS
1-Channel Solid State Relay Controller with RS-232 Interface
More >>
$54.00
Order this Device
MirXR15
Relay Mirror Pair 2-Controllers Each with One 5-Amp SPDT Relay and 1 Contact Closure Input
More >>
$166.00
Order this Device
MirXR110
Relay Mirror Pair 2-Controllers Each with One 10-Amp SPDT Relay and 1 Contact Closure Input
More >>
$186.00
Order this Device
MirXR120
Relay Mirror Pair 2-Controllers Each with One 20-Amp SPDT Relay and 1 Contact Closure Input
More >>
$196.00
Order this Device
MirXR130
Relay Mirror Pair 2-Controllers Each with One 30-Amp SPST Relay and 1 Contact Closure Input
More >>
$206.00
Order this Device
LRR15_USB
Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
More >>
$114.00
Order this Device
LRR110_USB
Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
More >>
$124.00
Order this Device
LRR120_USB
Reactor Relay 1-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with USB Interface
More >>
$129.00
Order this Device
LRR130_USB
Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with USB Interface
More >>
$134.00
Order this Device
LRR15_802154
Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$103.00
Order this Device
LRR110_802154
Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$113.00
Order this Device
LRR120_802154
Reactor Relay 1-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$118.00
Order this Device
LRR130_802154
Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$123.00
Order this Device
LRR15_ZBMESH
Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$103.00
Order this Device
LRR110_ZBMESH
Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$113.00
Order this Device
LRR120_ZBMESH
Reactor Relay 1-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$118.00
Order this Device
LRR130_ZBMESH
Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$123.00
Order this Device
LRR15_XSC
Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
More >>
$168.00
Order this Device
LRR110_XSC
Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
More >>
$178.00
Order this Device
LRR120_XSC
Reactor Relay 1-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with XSC Interface
More >>
$178.00
Order this Device
LRR130_XSC
Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with XSC Interface
More >>
$188.00
Order this Device
KLRR15_USB
Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
More >>
$152.00
Order this Device
KLRR110_USB
Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
More >>
$162.00
Order this Device
KLRR120_USB
Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with USB Interface
More >>
$167.00
Order this Device
KLRR130_USB
Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with USB Interface
More >>
$172.00
Order this Device
KLRR15_802154
Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$141.00
Order this Device
KLRR110_802154
Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$151.00
Order this Device
KLRR120_802154
Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$156.00
Order this Device
KLRR130_802154
Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$161.00
Order this Device
KLRR15_ZBMESH
Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$141.00
Order this Device
KLRR110_ZBMESH
Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$151.00
Order this Device
KLRR120_ZBMESH
Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$156.00
Order this Device
KLRR130_ZBMESH
Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$161.00
Order this Device
KLRR15_XSC
Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
More >>
$206.00
Order this Device
KLRR110_XSC
Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
More >>
$216.00
Order this Device
KLRR120_XSC
Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with XSC Interface
More >>
$216.00
Order this Device
KLRR130_XSC
Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with XSC Interface
More >>
$226.00
Order this Device
R15PL_802154
ProXR Lite Relay 1-Channel 5-Amp SPDT with 802.15.4 Interface
More >>
$83.00
Order this Device
R110PL_802154
ProXR Lite Relay 1-Channel 10-Amp SPDT with 802.15.4 Interface
More >>
$93.00
Order this Device
R120PL_802154
ProXR Lite Relay 1-Channel 20-Amp SPDT with 802.15.4 Interface
More >>
$98.00
Order this Device
R130PL_802154
ProXR Lite Relay 1-Channel 30-Amp SPST with 802.15.4 Interface
More >>
$103.00
Order this Device
R15PL_USB
ProXR Lite Relay 1-Channel 5-Amp SPDT with USB Interface
More >>
$94.00
Order this Device
R110PL_USB
ProXR Lite Relay 1-Channel 10-Amp SPDT with USB Interface
More >>
$104.00
Order this Device
R120PL_USB
ProXR Lite Relay 1-Channel 20-Amp SPDT with USB Interface
More >>
$109.00
Order this Device
R130PL_USB
ProXR Lite Relay 1-Channel 30-Amp SPST with USB Interface
More >>
$114.00
Order this Device
R15PL_ZBMESH
ProXR Lite Relay 1-Channel 5-Amp SPDT with ZB ZigBee Interface
More >>
$83.00
Order this Device
R110PL_ZBMESH
ProXR Lite Relay 1-Channel 10-Amp SPDT with ZB ZigBee Interface
More >>
$93.00
Order this Device
R120PL_ZBMESH
ProXR Lite Relay 1-Channel 20-Amp SPDT with ZB ZigBee Interface
More >>
$98.00
Order this Device
R130PL_ZBMESH
ProXR Lite Relay 1-Channel 30-Amp SPST with ZB ZigBee Interface
More >>
$103.00
Order this Device
R15PL_XSC
ProXR Lite Relay 1-Channel 5-Amp SPDT with XSC Interface
More >>
$103.00
Order this Device
R110PL_XSC
ProXR Lite Relay 1-Channel 10-Amp SPDT with XSC Interface
More >>
$113.00
Order this Device
R120PL_XSC
ProXR Lite Relay 1-Channel 20-Amp SPDT with XSC Interface
More >>
$118.00
Order this Device
R130PL_XSC
ProXR Lite Relay 1-Channel 30-Amp SPST with XSC Interface
More >>
$123.00
Order this Device
R15PL_ZETH-ME
Ethernet ProXR Lite Relay 1-Channel 5-Amp SPDT with ME Firmware
More >>
$133.00
Order this Device
R110PL_ZETH-ME
Ethernet ProXR Lite Relay 1-Channel 10-Amp SPDT with ME Firmware
More >>
$143.00
Order this Device
R120PL_ZETH-ME
Ethernet ProXR Lite Relay 1-Channel 20-Amp SPDT with ME Firmware
More >>
$148.00
Order this Device
R130PL_ZETH-ME
Ethernet ProXR Lite Relay 1-Channel 30-Amp SPST with ME Firmware
More >>
$153.00
Order this Device
LRR15_ZETH-NET
Ethernet Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface
More >>
$173.00
Order this Device
LRR110_ZETH-NET
Ethernet Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with Web-Browser Interface
More >>
$183.00
Order this Device
LRR130_ZETH-NET
Ethernet Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with Web-Browser Interface
More >>
$193.00
Order this Device
LRR15_ZETH-ME
Ethernet Reactor Relay 1-Channel 5-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
More >>
$153.00
Order this Device
LRR110_ZETH-ME
Ethernet Reactor Relay 1-Channel 10-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
More >>
$163.00
Order this Device
LRR120_ZETH-ME
Ethernet Reactor Relay 1-Channel 20-Amp SPDT + 8-Channel 8-Bit A/D with ME Firmware
More >>
$168.00
Order this Device
LRR130_ZETH-ME
Ethernet Reactor Relay 1-Channel 30-Amp SPST + 8-Channel 8-Bit A/D with ME Firmware
More >>
$173.00
Order this Device
KLRR15_ZETH-ME
Ethernet Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with ME Firmware
More >>
$191.00
Order this Device
KLRR110_ZETH-ME
Ethernet Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with ME Firmware
More >>
$201.00
Order this Device
KLRR120_ZETH-ME
Ethernet Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with ME Firmware
More >>
$206.00
Order this Device
KLRR130_ZETH-ME
Ethernet Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with ME Firmware
More >>
$211.00
Order this Device
KLRR15_ZETH-NET
Ethernet Key Fob Relay 1-Channel 5-Amp SPDT + 1-Channel 8-Bit A/D with Web-Browser Interface
More >>
$2,110.00
Order this Device
KLRR110_ZETH-NET
Ethernet Key Fob Relay 1-Channel 10-Amp SPDT + 1-Channel 8-Bit A/D with Web-Browser Interface
More >>
$221.00
Order this Device
KLRR120_ZETH-NET
Ethernet Key Fob Relay 1-Channel 20-Amp SPDT + 1-Channel 8-Bit A/D with Web-Browser Interface
More >>
$226.00
Order this Device
KLRR130_ZETH-NET
Ethernet Key Fob Relay 1-Channel 30-Amp SPST + 1-Channel 8-Bit A/D with Web-Browser Interface
More >>
$231.00
Order this Device
TLR15_USB
Time Activated Relay 1-Channel 5-Amp SPDT with USB Interface
More >>
$194.00
Order this Device
TLR110_USB
Time Activated Relay 1-Channel 10-Amp SPDT with USB Interface
More >>
$204.00
Order this Device
TLR120_USB
Time Activated Relay 1-Channel 20-Amp SPDT with USB Interface
More >>
$209.00
Order this Device
TLR130_USB
Time Activated Relay 1-Channel 30-Amp SPST with USB Interface
More >>
$214.00
Order this Device
TLR15_802154
Time Activated Relay 1-Channel 5-Amp SPDT with 802.15.4 Interface
More >>
$183.00
Order this Device
TLR110_802154
Time Activated Relay 1-Channel 10-Amp SPDT with 802.15.4 Interface
More >>
$193.00
Order this Device
TLR120_802154
Time Activated Relay 1-Channel 20-Amp SPDT with 802.15.4 Interface
More >>
$198.00
Order this Device
TLR130_802154
Time Activated Relay 1-Channel 30-Amp SPST with 802.15.4 Interface
More >>
$203.00
Order this Device
TLR15_ZBMESH
Time Activated Relay 1-Channel 5-Amp SPDT with ZB ZigBee Interface
More >>
$183.00
Order this Device
TLR110_ZBMESH
Time Activated Relay 1-Channel 10-Amp SPDT with ZB ZigBee Interface
More >>
$193.00
Order this Device
TLR120_ZBMESH
Time Activated Relay 1-Channel 20-Amp SPDT with ZB ZigBee Interface
More >>
$198.00
Order this Device
TLR130_ZBMESH
Time Activated Relay 1-Channel 30-Amp SPST with ZB ZigBee Interface
More >>
$203.00
Order this Device
TLR15_XSC
Time Activated Relay 1-Channel 5-Amp SPDT with XSC Interface
More >>
$203.00
Order this Device
TLR110_XSC
Time Activated Relay 1-Channel 10-Amp SPDT with XSC Interface
More >>
$213.00
Order this Device
TLR120_XSC
Time Activated Relay 1-Channel 20-Amp SPDT with XSC Interface
More >>
$218.00
Order this Device
TLR130_XSC
Time Activated Relay 1-Channel 30-Amp SPST with XSC Interface
More >>
$223.00
Order this Device
TLR15_ZETH-ME
Ethernet Time Activated Relay 1-Channel 5-Amp SPDT with ME Firmware
More >>
$133.00
Order this Device
TLR110_ZETH-ME
Ethernet Time Activated Relay 1-Channel 10-Amp SPDT with ME Firmware
More >>
$143.00
Order this Device
TLR120_ZETH-ME
Ethernet Time Activated Relay 1-Channel 20-Amp SPDT with ME Firmware
More >>
$148.00
Order this Device
TLR130_ZETH-ME
Ethernet Time Activated Relay 1-Channel 30-Amp SPST with ME Firmware
More >>
$153.00
Order this Device
TLR15_ZETH-NET
Ethernet Time Activated Relay 1-Channel 5-Amp SPDT with Web-Browser Interface
More >>
$153.00
Order this Device
TLR110_ZETH-NET
Ethernet Time Activated Relay 1-Channel 10-Amp SPDT with Web-Browser Interface
More >>
$163.00
Order this Device
TLR120_ZETH-NET
Ethernet Time Activated Relay 1-Channel 20-Amp SPDT with Web-Browser Interface
More >>
$168.00
Order this Device
TLR130_ZETH-NET
Ethernet Time Activated Relay 1-Channel 30-Amp SPST with Web-Browser Interface
More >>
$173.00
Order this Device
LRSSR1x_USB
Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with USB Interface
More >>
$114.00
Order this Device
LRSSR1x_802154
Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with 802.15.4 Interface
More >>
$103.00
Order this Device
LRSSR1x_ZBMESH
Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with ZB ZigBee Interface
More >>
$103.00
Order this Device
LRSSR1x_XSC
Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with XSC Interface
More >>
$168.00
Order this Device
LRSSR1x_ZETH-ME
Ethernet Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with ME Firmware
More >>
$153.00
Order this Device
LRSSR1x_ZETH-NET
Ethernet Reactor Relay 1-Channel Solid State + 8-Channel 8-Bit A/D with Web-Browser Interface
More >>
$173.00
Order this Device

Customer Support
About National Control Devices
Tools and Resources
National Control Devices, LLC

PO Box 455 - Osceola - MO - 64776
Phone: 417.646.5644 - Fax: 866.562.0406
Open 9AM-4PM Central Standard Time
http://www.controlanything.com/